Who said "I won't back down!"?

This quote is attributed to Sonic the Hedgehog.

I won't back down! - Sonic the Hedgehog

"I won't back down!"

Sonic the Hedgehog Courage

"Gotta go fast!"

"I'm outta here!"

"No time for this!"

"You're too slow!"

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."